Heterogeneous catalysis by tungsten-based heteropoly compounds

A Enferadi-Kerenkan, TO Do… - Catalysis Science & …, 2018 - pubs.rsc.org
Tungsten, a fascinating metal, has found a variety of catalytic applications in the form of
tungsten sulfides, simple tungsten oxides (eg tungsten trioxide, tungstate, tungstic acid …

Local structure of supported keggin and wells–dawson heteropolyacids and its influence on the catalytic activity

EI García-López, G Marcì, I Krivtsov… - The Journal of …, 2019 - ACS Publications
Keggin [PW12O40] 3–and Wells–Dawson [P2W18O62] 6–heteropolyanions are nanosized
transition-metal-oxygen clusters belonging to the heteropolyacids (HPAs) family. They are …

Boron nitride: a support for highly active heteropolyacids in the methanol-to-DME reaction

J Schnee, A Eggermont, EM Gaigneaux - ACS Catalysis, 2017 - ACS Publications
Due to its superacidity and ability of its bulk to react following a pseudoliquid mechanism,
the Keggin H3PW12O40 heteropolyacid attracts more and more attention as a catalyst for …

Influence of Polyoxovanadate and Phthalocyanine on 4f Electron Transfer in Gold-Confined Monolayers Probed with EGaIn Top Contacts

S Soni, I Werner, M Aidi, M Moors… - ACS Applied Nano …, 2023 - ACS Publications
This work describes the effects of dodecavanadate anions and phthalocyanine ligands as
well as the identity of lanthanide centers on the charge transport characteristics of …

Can polyoxometalates be considered as superchaotropic ions?

C Drummond, L Pérez-Fuentes… - The Journal of …, 2019 - ACS Publications
In this work, we have studied the influence of different anionic species, including typical
Hofmeister ions (citrate3–and SCN–), hydrophobic ions (tetraphenyl borate, Ph4B–), and …

Direct observation of asphaltene nanoparticles on model mineral substrates

G Raj, A Lesimple, J Whelan, P Naumov - Langmuir, 2017 - ACS Publications
The propensity for adherence to solid surfaces of asphaltenes, a complex solubility class of
heteropolycyclic aromatic compounds from the heavy fraction of crude oil, has long been the …

Permeability of Dawson–type polyoxometalates through vertically oriented nanoporous silica membranes on electrode: Effect of pore size and probe charge

N Vilà, P de Oliveira, A Walcarius, IM Mbomekallé - Electrochimica Acta, 2020 - Elsevier
The voltammetric behavior of bulky heteropolyanions belonging to the Dawson family of
polyoxometalates,[P 2 V m W 18-m O 62] n−(m= 0, 3, 6), has been investigated at electrodes …

Supramolecular Organization of Model Polycyclic Aromatic Molecules: Comparison of 2D and 3D Assemblies

G Raj, Y Kikkawa, L Catalano, R Pasricha… - …, 2020 - Wiley Online Library
The spatial organization of polycyclic aromatic molecules during adhesion on a solid/liquid
interface is the key event of a plethora of natural and industrial processes. Herein, we report …

[PDF][PDF] Oxyde de tungstène et de molybdène fonctionnalisés par des composés organiques comme catalyseur hétérogène performant pour la coupure oxydante de l' …

A Enferadi-Kerenkan - 2018 - corpus.ulaval.ca
Résumé Les huiles et corps gras d'origines végétales ou animales ont récemment attisé un
grand intérêt comme matériel de base dans les industries oléochimiques. Cette attention ne …

[PDF][PDF] Behavior of Keggin heteropolyacid catalysts in the gas phase methanol-to-dimethylether reaction

J Schnee - 2017 - researchgate.net
Keggin heteropolyacids (HPAs) are metal-oxygen clusters being nowadays considered as
highly promising catalysts for the gas phase conversion of methanol to dimethylether (DME) …